Statistics for occurrence #1 of “Cumberland” in chapter 22 of Admiral David D. Porter, The Naval History of the Civil War.:

...2,020 Name. Class. Guns. Tonnage Remarks. R. B. Forbes Steamer. 3 329 Wrecked Feb., 1862, coast of North Carolina. Congress Frigate. 50 1,867 In action with Merrimac, March 8, 1862. Cumberland Sloop. 24 1,726 do. Whitehall Steamer. 4 323 At Old Point, March 9, 1862, by fire. M. J. Carlton Mortar Schooner 3 178 Attack on Forts Jackson and St. Philip, April 19, 1862. Varuna Steamer....
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Cumberland (Maryland, United States) 922 12 172 0 0 user votes
Cumberland (United Kingdom) 44 0 4 0 0 user votes
Cumberland (North Carolina, United States) 2 0 2 0 0 user votes
Cumberland (Indiana, United States) 1 0 1 0 0 user votes
Cumberland (Arkansas, United States) 0 0 0 0 0 user votes
Cumberland (Canada) 0 0 0 0 0 user votes
Cumberland (Iowa, United States) 0 0 0 0 0 user votes
Cumberland (Mississippi, United States) 0 0 0 0 0 user votes
Cumberland (New Jersey, United States) 0 0 0 0 0 user votes
Cumberland (North Carolina, United States) 0 0 0 0 0 user votes
Cumberland (Oklahoma, United States) 0 0 0 0 0 user votes
Cumberland (South Carolina, United States) 0 0 0 0 0 user votes
Cumberland (Washington, United States) 0 0 0 0 0 user votes
Cumberland (Wisconsin, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.